Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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OAK GROVE JR HIGH SCHOOL
IL3102962 · 190 served
OAK GROVE JR HIGH SCHOOL
IL3128959 · 300 served
OAK GROVE METH CHURCH
IL0031526 · 50 served
OAK GROVE METH CHURCH
IL3031526 · 50 served
OAK GROVE MHP
IL0515145 · 55 served
OAK GROVE MHP
IL0895365 · 230 served
OAK GROVE MHP - MADISON COUNTY
IL1195180 · 138 served
OAK GROVE MHP - ROCK ISLAND COUNTY
IL1617785 · 138 served
OAK GROVE PARK
IL3115345 · 25 served
OAK GROVE SCHOOL
IL0027540 · 100 served
OAK GROVE SCHOOL
IL3054759 · 116 served
OAK GROVE VILLAGE
IL0810200 · 362 served
OAK HILL
IL8071897 · 25 served
OAK HILL & G A R CEMETERIES
IL0060152 · 25 served
OAK HILL & G A R CEMETERIES
IL3060152 · 25 served
OAK HILL CEMETERY A
IL0084665 · 50 served
OAK HILL CEMETERY A
IL3084665 · 50 served
OAK HILL CEMETERY B
IL0084657 · 50 served
OAK HILL CEMETERY B
IL3084657 · 50 served
OAK HILL ESTATES
IL8071871 · 25 served
OAK HILL ESTATES
IL8071889 · 25 served
OAK HILL TAVERN
IL0020636 · 60 served
OAK HILL WELL
IL8071905 · 25 served
OAK HILL-LYRAN GUN CLUB
IL0016915 · 25 served
OAK HILL-LYRAN GUN CLUB
IL3016915 · 50 served
OAK HILL-LYRAN GUN CLUB
IL3099986 · 35 served
OAK LANE ACRES SUBDIVISION
IL1795800 · 120 served
OAK LANE MHC
IL0311900 · 388 served
OAK LANE MHP
IL8132736 · 25 served
OAK LANE WINERY
IL3164400 · 50 served
OAK LAWN
IL0312220 · 58,362 served
OAK LAWN MHP
IL0075275 · 450 served
OAK LOUNGE INC
IL0063123 · 25 served
OAK LOUNGE INC
IL3063123 · 25 served
OAK MEADOWS COUNTRY CLUB
IL3041251 · 600 served
OAK MEADOWS GOLF CLUB (HW-5)
IL3118588 · 150 served
OAK MEADOWS GOLF CLUB (HW-6)
IL3118596 · 150 served
OAK MEADOWS GOLF CLUB (HW-7)
IL3118604 · 150 served
OAK MOUND CHURCH
IL0021634 · 25 served
OAK MOUND CHURCH
IL3021634 · 25 served
OAK PARK
IL0312250 · 54,583 served
OAK PARK ESTATES
IL1550010 · 185 served
OAK PARK HOTEL AND RESTAURANT
IL3064063 · 25 served
OAK PARK HOTEL RESTAURANT
IL0064063 · 25 served
OAK RIDGE CEMETERY
IL0076901 · 150 served
OAK RIDGE CEMETERY
IL0013425 · 100 served
OAK RIDGE CEMETERY
IL3013425 · 100 served
OAK RIDGE CEMETERY
IL3076901 · 150 served
OAK RIDGE FOREST PRESERVE
IL3141762 · 25 served
OAK RIDGE LODGE & RECREATION
IL3108662 · 25 served